WC

Wai Hong Cheah

TSMC: 3 patents #883 of 3,577Top 25%
Overall (2022): #57,798 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11361943 Adjustable fastening device for plasma gas injectors Yung-Shun Hsu, Ching-Yu Chang, Chiao-Kai Chang, Chien-Fang Lin 2022-06-14
11355318 Adjustable fastening device for plasma gas injectors Yung-Shun Hsu, Ching-Yu Chang, Chiao-Kai Chang, Chien-Fang Lin 2022-06-07
11318506 Apparatus for cleaning semiconductor equipment SHIH-KUO LIU, CHIA-HSUN CHANG, Keith Kuang-Kuo Koai, Ming-Chuan Hung 2022-05-03